#java Development Tutorials & Tips | Roast Dev

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How to Send Emails in Spring Boot: Troubleshooting Guide

IntroductionSending emails within a Spring Boot application is a common task, and though it might seem straightforward, you can occasionally run into issues. In this article, we will address a common ...

05.05.2025 0 Read More

Java Performance Tuning: List vs Set vs HashMap with Real-World Examples

🔥 Performance Tuning in Java: List, Set, and HashMap with Real-World ExamplesWhen working with Java collections, choosing the right data structure can make or break your application’s performance...

05.05.2025 0 Read More

Java Security: Protecting Your Applications with Secure Coding, Cryptography & Access Control

Java, being one of the most widely used programming languages in the world, powers everything from mobile apps to enterprise-scale web applications. With this widespread adoption comes a growing respo...

05.05.2025 0 Read More

🚀 Java Surprise: LinkedHashSet Now Implements SequencedCollection!

⚠️ Did you know? Starting with JDK 21, LinkedHashSet implements the new SequencedCollection interface — allowing insertion at the start, end, and even reversing the collection! This brings new ...

05.05.2025 0 Read More

How to Fix PowerPoint Errors When Creating PPT with Apache POI?

IntroductionCreating PowerPoint presentations programmatically can streamline many tasks, but running into errors that impact your ability to open the formatted file can be frustrating. If you've been...

05.05.2025 0 Read More

How to Fix 'SunCertPathBuilderException' in Maven Projects

Creating a new Maven project can often lead to a few irritating issues, such as the absence of a JRE System Library and encountering the 'SunCertPathBuilderException'. If you're facing these problems ...

05.05.2025 0 Read More

Why Java is Still King in Backend in 2025 (Aur Tum Iske Baap Kaise Bano!)

By Harshit Singh, your coder bhai at wittedtechOye, backend ke sher! 🦁 2025 mein jab log AI, Web3, aur naya naya tech ke piche bhaag rahe hain, ek language chupke se backend ka sartaaj bana hua hai...

05.05.2025 0 Read More

Convertir un forEach con if a un Stream con filter en Java

En el post anterior vimos cómo convertir un bucle for con incremento distinto de 1, y un bucle for infinito a un estilo completamente funcional utilizando el método iterate() de IntStream. En este p...

05.05.2025 0 Read More

Logging in Spring Boot with SL4J

Logging is a fundamental part of software development that provides insights into an application's behavior, making debugging and monitoring easier. A well-structured logging system helps developers u...

05.05.2025 0 Read More

Quarkus 3 application on AWS Lambda- Part 1 Introduction to the sample application and first Lambda performance measurements

What will we explore and learn in this article series? In this article series, we will explore some ways to develop, deploy and run applications on AWS Lambda using the Quarkus framework. Of ...

05.05.2025 0 Read More

How to Send Emails in Spring Boot: Troubleshooting Guide

Java Performance Tuning: List vs Set vs HashMap with Real-World Examples

Java Security: Protecting Your Applications with Secure Coding, Cryptography & Access Control

🚀 Java Surprise: LinkedHashSet Now Implements SequencedCollection!

How to Fix PowerPoint Errors When Creating PPT with Apache POI?

How to Fix 'SunCertPathBuilderException' in Maven Projects

Why Java is Still King in Backend in 2025 (Aur Tum Iske Baap Kaise Bano!)

Convertir un forEach con if a un Stream con filter en Java

Logging in Spring Boot with SL4J

Quarkus 3 application on AWS Lambda- Part 1 Introduction to the sample application and first Lambda performance measurements

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